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19 Jan 2022 - Alert status: HIGH

Remote code execution vulnerability present in SonicWall SMA 100 series appliances

A vulnerability (CVE-2021-20038) has been identified in SonicWall SMA 100 series appliances. Exploitation of this vulnerability could allow an unauthenticated malicious cyber actor to perform remote code execution. Affected Australian organisations should apply the available patch.

19 Jan 2022 - Alert status: MEDIUM

Phone and email scammers impersonating the ACSC

The Australian government will NEVER phone you to request access to your computer, or request you to purchase cryptocurrencies or gift cards. If you receive a suspicious phone call, take the caller's details, hang up and contact the company they claim to represent via official communication channels listed on their website. Never call a number provided by the scammer.

23 Dec 2021 - Alert status: HIGH

Use of Log4j vulnerabilities in ransomware activity

The ACSC expects an increase in ransomware activity using Log4j as an exploit vector. Malicious actors may take advantage of trivial exploits to impact Australian organisations.

21 Dec 2021 - Alert status: CRITICAL

Critical remote code execution vulnerability found in the Log4j library

A vulnerability (CVE-2021-44228) exists in certain versions of the Log4j library. A malicious cyber actor could exploit this vulnerability to execute arbitrary code. Australian organisations should apply latest patches immediately where Log4j is known to be used.

10 Dec 2021 - Alert status: MEDIUM

Conti ransomware incidents in Australia

Multiple Australian organisations have been impacted by Conti ransomware in November and December 2021.

08 Dec 2021 - Alert status: HIGH

Zoho ManageEngine ServiceDesk Plus & Desktop Central remote code execution vulnerabilities

Vulnerabilities have been identified in certain versions of Zoho ManageEngine ServiceDesk Plus and Desktop Central product suites. Australian organisations using vulnerable Zoho ManageEngine products should apply the available patch.

17 Nov 2021 - Alert status: CRITICAL

Iranian Government-Sponsored APT Cyber Actors

FBI and CISA have observed an Iranian government-sponsored APT group that are exploiting vulnerabilities to gain access to systems. The APT group has exploited the same Microsoft Exchange vulnerability in Australia.

11 Nov 2021 - Alert status: CRITICAL

Critical vulnerability present in certain versions of Microsoft Excel

Microsoft has identified active exploitation of a vulnerability in Microsoft Excel. Affected Australian organisations should apply the available security update as soon as possible.

11 Nov 2021 - Alert status: HIGH

Remote code execution vulnerability present in certain versions of Palo Alto firewalls utilising the GlobalProtect VPN component

A vulnerability has been identified in certain versions of Palo Alto firewalls utilising the GlobalProtect VPN component. Affected Australian organisations should apply the available update as soon as possible.

05 Nov 2021 - Alert status: CRITICAL

Active exploitation of vulnerable Sitecore Experience Platform content management systems

There is active exploitation of a vulnerability occurring in certain versions of Sitecore Experience Platform systems. Affected Australian organisation should apply the available security update.

13 Oct 2021 - Alert status: HIGH

Multiple key vulnerabilities identified in Microsoft products

Multiple key vulnerabilities were identified in Microsoft’s 12 October 2021 patch release. While all vulnerabilities addressed in this release are important to mitigate the ACSC wishes to highlight several vulnerabilities for priority consideration.

13 Oct 2021 - Alert status: HIGH

Critical vulnerability present in certain versions of Apple iOS and iPadOS

A vulnerability has been identified in certain Apple products which could allow an actor to install malware or perform other actions on a vulnerable device.

08 Oct 2021 - Alert status: CRITICAL

Critical vulnerability in certain versions of Apache HTTP Server

A vulnerability exists in Apache HTTP Server 2.4.49. A cyber actor could exploit this vulnerability to execute arbitrary code. Initial information also indicates that the vulnerability could also be used perform remote code execution under certain configurations. Affected Australian organisations should apply the available patch.

24 Sep 2021 - Alert status: HIGH

Critical vulnerability in ManageEngine ADSelfService Plus exploited by cyber actors

A vulnerability exists in certain versions of ManageEngine ADSelfService Plus. A cyber actor could exploit this vulnerability to execute arbitrary code, potentially enabling the actor to take control of the vulnerable host. Affected Australian organisations should apply the available security update.

22 Sep 2021 - Alert status: CRITICAL

Critical vulnerability in certain Hikvision products, IP cameras

A critical vulnerability exists in Hikvision products, including IP cameras, which could allow a cyber actor to take full control of the device. Affected Australian customers should apply an appropriate firmware update provided by Hikvision.

16 Sep 2021 - Alert status: CRITICAL

Remote code execution vulnerability present in Open Management Infrastructure, affects certain Microsoft Azure services

A remote code execution vulnerability exists in Open Management Infrastructure, a management agent used in certain Linux-based Microsoft Azure services. Exploitation of this vulnerability could allow a malicious actor to take control of the vulnerable host. Affected organisations should apply the available security update.

16 Sep 2021 - Alert status: HIGH

Remote code execution vulnerability present in the Windows Scripting Engine of Microsoft Windows

A vulnerability exists in a component of Microsoft Windows. A malicious cyber actor could exploit this vulnerability to execute arbitrary code, potentially enabling the actor to take control of the vulnerable host. Affected Australian customers should apply the security update provided by Microsoft.

14 Sep 2021 - Alert status: HIGH

Remote code execution vulnerability present in the MSHTML component of Microsoft Windows

A vulnerability exists in a component of Microsoft Windows. A malicious cyber actor could exploit this vulnerability to execute arbitrary code, potentially enabling the actor to take control of the vulnerable host. At this current time there is no patch available, affected Australian customers should apply the Microsoft recommended workarounds.

14 Sep 2021 - Alert status: HIGH

Critical vulnerabilities present in certain versions of Apple iOS, macOS and Safari

Vulnerabilities have been identified in certain versions of Apple iOS, macOS and Safari which could allow an actor to install malware or perform other actions on a vulnerable device or computer.

10 Sep 2021 - Alert status: MEDIUM

Suspected user credentials stolen from FortiNet devices leaked online

A malicious cyber actor has leaked a list of suspected user credentials and IP address of the associated FortiNet SSL VPN device the credentials are used for. Organisations should review the patch status and history of internet exposed FortiNet SSL VPN devices and consider performing a password reset for affected users.

01 Sep 2021 - Alert status: HIGH

Remote code execution vulnerability present in certain versions of Atlassian Confluence

A vulnerability exists in certain self-hosted versions of Atlassian Confluence which could allow a malicious cyber actor to execute arbitrary code. Affected organisations should apply the available patch to mitigate this vulnerability.

30 Aug 2021 - Alert status: MEDIUM

Property-related business email compromise scams rising in Australia

Cybercriminals are targeting the property and real estate sector to conduct business email compromise scams. All parties involved in the buying, selling and leasing of property should be vigilant when communicating via email, particularly during settlement periods.

27 Aug 2021 - Alert status: MEDIUM

Malicious actors deploying Gootkit Loader on Australian Networks

ACSC has observed an increase of Gootkit JavaScript (JS) Loaders on Australian networks.

19 Aug 2021 - Alert status: HIGH

Microsoft Exchange ProxyShell Targeting in Australia

The ACSC has observed targeting of the Microsoft Exchange ProxyShell vulnerability by Malicious actors.

18 Aug 2021 - Alert status: HIGH

Vulnerability Affecting BlackBerry QNX RTOS

BlackBerry has disclosed that its QNX Real Time Operating System is affected by a BadAlloc vulnerability - CVE-2021-22156. QNX is the world’s most prevalent real time operating system.

05 Aug 2021 - Alert status: MEDIUM

LockBit 2.0 ransomware incidents in Australia

ACSC has observed an increase in reporting of LockBit 2.0 ransomware incidents in Australia.

03 Aug 2021 - Alert status: HIGH

SonicWall devices targeted with ransomware utilising stolen credentials

SonicWall devices are being targeted by a malicious cyber actor as targets for ransomware. The ACSC is aware of likely related activity targeting Australian organisations.

12 Jul 2021 - Alert status: HIGH

Kaseya VSA Supply-Chain Ransomware Attack

Patch now available for Kaseya VSA platform.

07 Jul 2021 - Alert status: HIGH

ForgeRock Open AM critical vulnerability

The ACSC has observed active exploitation of a vulnerability in ForgeRock OpenAM (reported as CVE-2021-35464) against a number of Australian organisations. The ACSC strongly recommends organisations urgently apply available patches or workarounds to mitigate the risk of this vulnerability being exploited.

06 Jul 2021 - Alert status: MEDIUM

Cybercriminals targeting construction companies to conduct email scams

Cybercriminals are targeting construction companies to conduct business email compromise scams. All parties to construction projects should be vigilant when emailing about invoices and bank details.

30 Jun 2021 - Alert status: LOW

Microsoft Releases Security Updates for Microsoft Edge Browser

On June 24, 2021 Microsoft released updates for their Edge Browser addressing two vulnerabilities that an attacker could exploit to inject and execute malicious code.

21 Jun 2021 - Alert status: HIGH

Google Releases Security Updates for Chrome Browser

On June 17, 2021 Google released Chrome version 91.0.4472.114 for Windows, Mac, and Linux. The patch notes for this version can be viewed at Chrome Release Note.

13 May 2021 - Alert status: HIGH

Critical vulnerability discovered in HTTP.SYS in Microsoft Windows

A remote code execution vulnerability could enable a malicious cyber actor to compromise vulnerable Microsoft Windows hosts. The ACSC strongly recommends applying available patches.

10 May 2021 - Alert status: HIGH

Multiple high severity vulnerabilities discovered in the Exim mail server

Exim vulnerabilities could enable a malicious cyber actor to compromise vulnerable Exim servers. The ACSC strongly recommends applying available patches.

08 May 2021 - Alert status: HIGH

Avaddon Ransomware

Increase in Avaddon ransomware attacks in Australia.

27 Apr 2021 - Alert status: HIGH

Potential exploitation of Click Studio’s PasswordState software

On 24 April 2021, Australian software company Click Studios announced a compromise of the software update process for their enterprise password management software PasswordState, used by organisations in Australia and globally.

21 Apr 2021 - Alert status: HIGH

Exploitation of Pulse Connect Secure Vulnerabilities

New advice for mitigating Pulse Connect Secure Virtual Private Network (VPN) vulnerabilities

15 Apr 2021 - Alert status: CRITICAL

Exchange server critical vulnerabilities

On 2 March 2021 Microsoft released information regarding multiple exploits being used to compromise instances of Microsoft Exchange Server. Malicious actors are exploiting these vulnerabilities to compromise Microsoft Exchange servers exposed to the internet, enabling access to email accounts and to enable further compromise of the Exchange server and associated networks.

03 Apr 2021 - Alert status: HIGH

APT exploitation of Fortinet Vulnerabilities

Advanced Persistent Threat actors targeting historic Fortinet vulnerabilities

25 Feb 2021 - Alert status: HIGH

Potential Accellion File Transfer Appliance compromise

ACSC identified Australian organisations may have been impacted the Accellion File Transfer Appliance vulnerability and has provided mitigation recommendations.

25 Feb 2021 - Alert status: HIGH

VMware vCenter Server plugin remote code execution vulnerability (CVE-2021-21972)

The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) advises users of VMware vCenter Server products, including as part of VMware Cloud Foundation, to ensure their systems are promptly patched after the recent disclosure of a new remote code execution vulnerability.

16 Feb 2021 - Alert status: HIGH

Malware targeting Centreon software

ANSSI identifies campaign targeting Centreon system monitoring software

04 Feb 2021 - Alert status: HIGH

SonicWall Breach

SonicWall identified an internal systems breach using a zero-day vulnerability within the SMA 100 series 10.x code.

25 Jan 2021 - Alert status: HIGH

Potential SolarWinds Orion compromise

FireEye identifies global campaign leveraging malicious updates to SolarWinds software.

12 Nov 2020 - Alert status: HIGH

SDBBot targeting health sector

The ACSC has observed increased targeting activity against the Australian health sector by actors using the SDBBot Remote Access Tool (RAT).

30 Oct 2020 - Alert status: HIGH

Sustained targeting of the health sector

The Australian Signals Directorate’s Australian Cyber Security Centre has identified a sustained campaign by sophisticated cybercrime actors impacting the Australian health sector.

01 Oct 2020 - Alert status: HIGH

2019-131a: Emotet malware campaign

The Australian Signals Directorate’s Australian Cyber Security Centre (ACSC) has observed an ongoing and widespread campaign of malicious emails designed to spread Emotet across a variety of sectors in the Australian economy, including critical infrastructure providers and government agencies.

22 Sep 2020 - Alert status: HIGH

Netlogon elevation of privilege vulnerability (CVE-2020-1472)

The ACSC is aware of a recently disclosed critical vulnerability in Microsoft Active Directory Domain Controller systems that allows unauthenticated attackers to trivially access administrative credentials.

18 Sep 2020 - Alert status: HIGH

Active exploitation of vulnerable MobileIron products

The ACSC is aware of active exploitation of vulnerabilities in multiple MobileIron products by malicious cyber actors, including sophisticated state-based actors.

16 Sep 2020 - Alert status: HIGH

Copy-paste compromises

The Australian Government is aware of, and responding to, a sustained targeting of Australian governments and companies by a sophisticated state-based actor. The title ‘Copy-paste compromises’ is derived from the actor’s heavy use of tools copied almost identically from open source.